![](http://www.alamy.com/thumbs/6/87CDBCF9-A1F0-49F3-9002-948469DBF454/2AC2E7F.jpg)
USGS TOPO Map Pennsylvania PA Duncannon 170518 1952 24000 Restoration
Size: 6637px × 8069px
Photo credit: © Wetdryvac / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: cartographic, cartography, color, corrected, geological, government, historical, map, mapping, maps, orienteering, repaired, restoration, restored, states, survey, topo, topographic, topographical, topography, topology, uncropped, united, usgs